{ pkgs
, config
, lib
, baseDomain
, isDev
, ...
}:

let
  fpm_pool = "dokuwiki-${dw_domain}";
  fpm_cfg = config.services.phpfpm.pools.${fpm_pool};
  dw_domain = "wiki.${baseDomain}";

  acronyms = rec {
    "CCC" = "Chaos Computer Club";
    "PR" = "Pull Request";
    "pr" = PR;
    "GH" = "GitHub";
    "gh" = GH;
    "SSO" = "Single Sign-on";
    "sso" = SSO;
    "CTFL" = "Chaostreff Flensburg e.V.";
    "ctfl" = CTFL;
  };

  acronyms_file = pkgs.writeText "acronyms.local.conf" ''
    ${lib.concatStringsSep "\n" (lib.mapAttrsToList (short: long: "${short}\t${long}") acronyms)}
  '';
in {
  sops.secrets = let
    dw.owner = fpm_cfg.user; # This is hardcoded to dokuwiki right now, however if that changes we should catch that here
    dw_all = key:
      dw
      // {
        inherit key;
        format = "yaml";
        sopsFile = ../secrets/all/secrets.yaml;
      };
  in {
    "dokuwiki/smtp_pass" = dw_all "smtp/pass";
    "dokuwiki/smtp_user" = dw_all "smtp/user";
    "dokuwiki/smtp_host" = dw_all "smtp/host";
    "dokuwiki/keycloak_key" = dw;
  };

  services.nginx.virtualHosts.${dw_domain} = {
    enableACME = true;
    forceSSL = true;
    # Disable search engine indexing
    # Reasong being that for example a search engine of your choosing can be used to find content
    # in relation to peoples (nick)name and stuff.
    locations."/robots.txt".return = "200 \"User-agent: *\nDisallow: /\"";
  };

  services.dokuwiki.sites.${dw_domain} = {
    package = pkgs.dokuwiki.overrideAttrs (oldAttrs: {
      name = "dokuwiki-${dw_domain}-with-acronyms-${oldAttrs.version}";
      postInstall = oldAttrs.postInstall or "" + ''
          ln -sf ${acronyms_file} $out/share/dokuwiki/conf/acronyms.local.conf
        '';
    });

    enable = true;

    pluginsConfig = {
      "tag" = true;
      "pagelist" = true;
      "smtp" = true;
      "sqlite" = true;
      "nspages" = true;
      "move" = true;
      "icalevents" = true;
      "legalnotice" = true;
      "oauth" = true;
      "oauthkeycloak" = true;
      "edittable" = true;
      "anonip" = true;

      "extension" = false;
      "popularity" = false;
      "authad" = false;
      "authldap" = false;
      "authmysql" = false;
      "authpdo" = false;
      "authpgsql" = false;
    };

    plugins = with pkgs.dokuwikiPlugins; [
      tag
      pagelist
      smtp
      nspages
      move
      icalevents
      oauth
      oauthkeycloak
      edittable
      anonip
    ];

    settings = let
      get_secret = name: {_file = config.sops.secrets.${name}.path;};
    in rec {
      title = "${baseDomain} Wiki";
      lang = "de-informal";
      template = "dokuwiki";
      # authtype = "authplain";
      authtype = "oauth";
      subscribers = 1;
      userewrite = 1;
      useslash = 1;
      useacl = true;
      im_convert = "${pkgs.imagemagick}/bin/convert";
      superuser = "@admin";
      disableactions = "register";
      signature = "--- // [[name:@USER@|@USER@]] @DATE@";

      mailfrom = "\"@USER@\" via ${title} <wiki@chaos.jetzt>}";
      plugin.tag.toolbar_icon = 1;
      plugin.smtp = {
        smtp_host = get_secret "dokuwiki/smtp_host";
        smtp_user = get_secret "dokuwiki/smtp_host";
        smtp_pass = get_secret "dokuwiki/smtp_host";
        smtp_ssl = "ssl";
        smtp_port = 465;
      };
      plugin.icalevents = {
        locationUrlPrefix = "";
        "template:default" = ''
          === {date}: {summary} ===
          **Location**: {location_link}
          {description}'';
        "template:list" = ''
          === {date}: {summary} ===
          **<sup>Location: {location}</sup>**
          {description}'';
        "template:custom1" = ''
          === {date}: {summary} ===
          {description}
          **Wo?**: {location_link}'';
      };
      plugin.oauth = {
        register-on-auth = 1;
        singleService = "Keycloak";
      };
      plugin.oauthkeycloak = {
        key = get_secret "dokuwiki/keycloak_key";
        openidurl = "https://sso.chaos.jetzt/auth/realms/${if isDev then "dev" else "chaos-jetzt"}/.well-known/openid-configuration";
      };
    };

    phpOptions = {
      expose_php = "Off";
      "date.timezone" = "${config.time.timeZone}";
      "opcache.interned_strings_buffer" = "8";
      "opcache.max_accelerated_files" = "10000";
      "opcache.memory_consumption" = "64";
      "opcache.revalidate_freq" = "15";
      "opcache.fast_shutdown" = "1";
    };
  };
}